Search a number
-
+
12101200012 = 22111468318731
BaseRepresentation
bin10110100010100100…
…11010100010001100
31011020100112122200001
423101102122202030
5144240401400022
65320442414044
7605610334336
oct132122324214
934210478601
1012101200012
11514a8a2750
122418801324
1311ab1085a5
1482b242456
154ac5b0b27
hex2d149a88c

12101200012 has 24 divisors (see below), whose sum is σ = 23105097792. Its totient is φ = 5499877200.

The previous prime is 12101199973. The next prime is 12101200019. The reversal of 12101200012 is 21000210121.

It is not an unprimeable number, because it can be changed into a prime (12101200019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636687 + ... + 655417.

It is an arithmetic number, because the mean of its divisors is an integer number (962712408).

Almost surely, 212101200012 is an apocalyptic number.

It is an amenable number.

12101200012 is a deficient number, since it is larger than the sum of its proper divisors (11003897780).

12101200012 is a wasteful number, since it uses less digits than its factorization.

12101200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33429 (or 33427 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12101200012 its reverse (21000210121), we get a palindrome (33101410133).

The spelling of 12101200012 in words is "twelve billion, one hundred one million, two hundred thousand, twelve".

Divisors: 1 2 4 11 22 44 14683 18731 29366 37462 58732 74924 161513 206041 323026 412082 646052 824164 275027273 550054546 1100109092 3025300003 6050600006 12101200012